Package Modelica.Fluid.Dissipation.HeatTransfer.StraightPipeIcon for package containing variants
Package Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe
Calculation of mean convective heat transfer coefficient kc of a straight pipe at an uniform wall temperature or uniform heat flux and for a hydrodynamically developed or undeveloped laminar fluid flow. See more information.
Calculation of mean convective heat transfer coefficient kc of a straight pipe for a hydrodynamically developed turbulent fluid flow at uniform wall temperature or See more information.
Extends from Modelica.Icons.VariantsPackage (Icon for package containing variants).
| Name | Description |
|---|---|
kc_laminar | Mean heat transfer coefficient of straight pipe | uniform wall temperature or uniform heat flux | hydrodynamically developed or undeveloped laminar flow regime |
kc_laminar_IN_con | Input record for function kc_laminar and kc_laminar_KC |
kc_laminar_IN_var | Input record for function kc_laminar and kc_laminar_KC |
kc_laminar_KC | Mean heat transfer coefficient of straight pipe | uniform wall temperature or uniform heat flux | hydrodynamically developed or undeveloped laminar flow regime |
kc_overall | Mean heat transfer coefficient of straight pipe | uniform wall temperature or uniform heat flux | hydrodynamically developed or undeveloped overall flow regime| pressure loss dependence |
kc_overall_IN_con | Input record for function kc_overall and kc_overall_KC |
kc_overall_IN_var | Input record for function kc_overall and kc_overall_KC |
kc_overall_KC | Mean heat transfer coefficient of straight pipe | uniform wall temperature or uniform heat flux | hydrodynamically developed or undeveloped overall flow regime| pressure loss dependence |
kc_turbulent | Mean heat transfer coefficient of straight pipe | hydrodynamically developed turbulent flow regime | pressure loss dependence |
kc_turbulent_IN_con | Input record for function kc_turbulent and kc_turbulent_KC |
kc_turbulent_IN_var | Input record for function kc_turbulent and kc_turbulent_KC |
kc_turbulent_KC | Mean heat transfer coefficient of straight pipe | hydrodynamically developed turbulent flow regime | pressure loss dependence |
kc_twoPhaseOverall_KC | Local two phase heat transfer coefficient of straight pipe | horizontal or vertical boiling | horizontal condensation |
kc_twoPhaseOverall_KC_IN_con | Input record for function kc_twoPhaseOverall_KC |
kc_twoPhaseOverall_KC_IN_var | Input record for function kc_twoPhaseOverall_KC |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_laminar
Calculation of mean convective heat transfer coefficient kc of a straight pipe at an uniform wall temperature or uniform heat flux and for a hydrodynamically developed or undeveloped laminar fluid flow. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_laminar_IN_con | IN_con | Input record for function kc_laminar |
kc_laminar_IN_var | IN_var | Input record for function kc_laminar |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Convective heat transfer coefficient |
PrandtlNumber | Pr | Prandtl number |
ReynoldsNumber | Re | Reynolds number |
NusseltNumber | Nu | Nusselt number |
Real | failureStatus | 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_laminar_KC
Calculation of mean convective heat transfer coefficient kc of a straight pipe at an uniform wall temperature or uniform heat flux and for a hydrodynamically developed or undeveloped laminar fluid flow. See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_laminar_IN_con | IN_con | Input record for function kc_laminar_KC |
kc_laminar_IN_var | IN_var | Input record for function kc_laminar_KC |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Output for function kc_laminar_KC |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_laminar_IN_con
This record is used as input record for the heat transfer function kc_laminar and kc_laminar_KC.
Extends from Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.StraightPipe (Input for straight pipe).
| Type | Name | Description |
|---|---|---|
Diameter | d_hyd | Hydraulic diameter |
Length | L | Length |
HeatTransferBoundary | target | Choice of heat transfer boundary condition |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_laminar_IN_var
This record is used as input record for the heat transfer function kc_laminar and kc_laminar_KC.
Extends from Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_overall_IN_var (Input record for function kc_overall and kc_overall_KC).
| Type | Name | Description |
|---|---|---|
SpecificHeatCapacityAtConstantPressure | cp | Specific heat capacity of fluid at constant pressure |
DynamicViscosity | eta | Dynamic viscosity of fluid |
ThermalConductivity | lambda | Thermal conductivity of fluid |
Density | rho | Density of fluid |
MassFlowRate | m_flow |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_overall
Calculation of mean convective heat transfer coefficient kc of a straight pipe at an uniform wall temperature or uniform heat flux and for a hydrodynamically developed or undeveloped overall fluid flow with neglect or consideration of pressure loss influence. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_overall_IN_con | IN_con | Input record for function kc_overall |
kc_overall_IN_var | IN_var | Input record for function kc_overall |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Convective heat transfer coefficient |
PrandtlNumber | Pr | Prandtl number |
ReynoldsNumber | Re | Reynolds number |
NusseltNumber | Nu | Nusselt number |
Real | failureStatus | 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_overall_KC
Calculation of mean convective heat transfer coefficient kc of a straight pipe at an uniform wall temperature or uniform heat flux and for a hydrodynamically developed or undeveloped overall fluid flow with neglect or consideration of pressure loss influence.See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_overall_IN_con | IN_con | Input record for function kc_overall_KC |
kc_overall_IN_var | IN_var | Input record for function kc_overall_KC |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Output for function kc_overall_KC |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_overall_IN_conThis record is used as input record for the heat transfer function kc_overall and kc_overall_KC.
Extends from Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_turbulent_IN_con (Input record for function kc_turbulent and kc_turbulent_KC).
| Type | Name | Description |
|---|---|---|
HeatTransferBoundary | target | Choice of heat transfer boundary condition |
Diameter | d_hyd | Hydraulic diameter |
Length | L | Length |
Roughness | roughness | Choice of considering surface roughness |
Length | K | Roughness (average height of surface asperities) |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_overall_IN_varThis record is used as input record for the heat transfer function kc_overall and kc_overall_KC.
Extends from Modelica.Fluid.Dissipation.Utilities.Records.General.FluidProperties (Base record for fluid properties).
| Type | Name | Description |
|---|---|---|
SpecificHeatCapacityAtConstantPressure | cp | Specific heat capacity of fluid at constant pressure |
DynamicViscosity | eta | Dynamic viscosity of fluid |
ThermalConductivity | lambda | Thermal conductivity of fluid |
Density | rho | Density of fluid |
MassFlowRate | m_flow |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_turbulent
Calculation of mean convective heat transfer coefficient kc of a straight pipe for a hydrodynamically developed turbulent fluid flow at uniform wall temperature or uniform heat flux with neglecting or considering of pressure loss influence. Note that additionally a failure status is observed in this function to check if the intended boundary conditions are fulfilled. See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_turbulent_IN_con | IN_con | Input record for function kc_turbulent |
kc_turbulent_IN_var | IN_var | Input record for function kc_turbulent |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Convective heat transfer coefficient |
PrandtlNumber | Pr | Prandtl number |
ReynoldsNumber | Re | Reynolds number |
NusseltNumber | Nu | Nusselt number |
Real | failureStatus | 0== boundary conditions fulfilled | 1== failure >> check if still meaningful results |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_turbulent_KC
Calculation of mean convective heat transfer coefficient kc of a straight pipe for a hydrodynamically developed turbulent fluid flow at uniform wall temperature or uniform heat flux with neglecting or considering of pressure loss influence. See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_turbulent_IN_con | IN_con | Input record for function kc_turbulent_KC |
kc_turbulent_IN_var | IN_var | Input record for function kc_turbulent_KC |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Output for function kc_turbulent_KC |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_turbulent_IN_conThis record is used as input record for the heat transfer function kc_turbulent and kc_turbulent_KC.
Extends from Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.StraightPipe (Input for straight pipe).
| Type | Name | Description |
|---|---|---|
Diameter | d_hyd | Hydraulic diameter |
Length | L | Length |
Roughness | roughness | Choice of considering surface roughness |
Length | K | Roughness (average height of surface asperities) |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_turbulent_IN_varThis record is used as input record for the heat transfer function kc_turbulent and kc_turbulent_KC.
Extends from Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_overall_IN_var (Input record for function kc_overall and kc_overall_KC).
| Type | Name | Description |
|---|---|---|
SpecificHeatCapacityAtConstantPressure | cp | Specific heat capacity of fluid at constant pressure |
DynamicViscosity | eta | Dynamic viscosity of fluid |
ThermalConductivity | lambda | Thermal conductivity of fluid |
Density | rho | Density of fluid |
MassFlowRate | m_flow |
Function Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC
Calculation of local two phase heat transfer coefficient kc_2ph for (horizontal/vertical) boiling or (horizontal) condensation for an overall flow regime. See more information .
Extends from Modelica.Icons.Function (Icon for functions).
| Type | Name | Description |
|---|---|---|
kc_twoPhaseOverall_KC_IN_con | IN_con | |
kc_twoPhaseOverall_KC_IN_var | IN_var |
| Type | Name | Description |
|---|---|---|
CoefficientOfHeatTransfer | kc | Local two phase heat transfer coefficient |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC_IN_conThis record is used as input record for the heat transfer function kc_twoPhaseOverall_KC.
Extends from Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.TwoPhaseFlowHT_IN_con (Base record for two phase heat transfer coefficient).
| Type | Name | Description |
|---|---|---|
TwoPhaseHeatTransferTarget | target | Choice of (horizontal/vertical) boiling or (horizontal) condensation in pipe |
Area | A_cross | Cross sectional area |
Length | perimeter | Wetted perimeter |
MolarMass_gpmol | MM | Molar mass of fluid |
Pressure | p_crit | Critical pressure of fluid |
Record Modelica.Fluid.Dissipation.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC_IN_varThis record is used as input record for the heat transfer function kc_twoPhaseOverall_KC.
Extends from Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.TwoPhaseFlowHT_IN_var (Base record for two phase heat transfer coefficient).
| Type | Name | Description |
|---|---|---|
TwoPhaseHeatTransferTarget | target | Choice of (horizontal/vertical) boiling or (horizontal) condensation in pipe |
SpecificHeatCapacityAtConstantPressure | cp_l | Specific heat capacity of liquid |
ThermalConductivity | lambda_l | Thermal conductivity of liquid |
Density | rho_g | Density of gas |
Density | rho_l | Density of liquid |
DynamicViscosity | eta_g | Dynamic viscosity of gas |
DynamicViscosity | eta_l | Dynamic viscosity of liquid |
Pressure | pressure | Mean pressure of fluid |
SpecificEnthalpy | dh_lg | Evaporation enthalpy of fluid |
MassFlowRate | m_flow | Mass flow rate |
HeatFlux | qdot_A | Heat flux at boiling |
Real | x_flow | Mass flow rate quality |